in orbit

基本解释

But it is more likely that Rhea is uniquely suited to hold debris in orbit.
但“土卫五”更有可能是独一无二的，适合将碎片限制在轨道上。
huzhangao.blog.163.com
He says that if the technology does work in orbit, the habitats will be ideal for building bases on the moon.
他说，如果这项技术可以在轨道上成功实施，可扩充太空旅馆将为建立月球基地提供理想选择。
So if I'm going in orbit like this, I either fire my rocket like this, or I fire my rocket like this, but that is difficult enough what we do now.
如果我在轨道中这样走，或者以这样的方式发射火箭，或者这样发射火箭，但是我们现在做的,就已经很困难了。

Next year, the Chinese plan to launch a small space laboratory to practice docking of spacecraft in orbit.
Well, suppose I want to look at something like an electron in orbit here.
假如我想看到,轨道上像电子一样的东西。
麻省理工公开课 - 固态化学导论课程节选
If de Broglie is correct, we could then model the electron in its orbit not moving as a particle, but let's model it as a wave.
如果德布罗意是对的，那么我们可以在电子轨道中建立电子模型,不是像粒子一样运动，而是像波一样运动。
麻省理工公开课 - 固态化学导论课程节选